VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel Installation guide

Brand: VELOSSA TECH

Model: 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel

Type: Installation guide

2022+ Honda Civic SI/Sport BIG

MOUTH Lit Kit Installation Guide

Please review this document before attempting installation.

You will need basic hand tools and 2 hours of installation time.

Kit Contents (Full Kit)

Please review the table below and make sure you have received the kit contents.

Kit Contents (LIT Flare Only)

If you already own the Velossa Tech Civic SI BIG MOUTH, skip to slide 10 to see

install and wiring instructions.

Kit Contents Qty

Diode Dynamics RGBW Controller 1

Positive Cable w/ In-Line Fuse 1

Power Cable w/ Pigtail Connector

1

Switch

1

Switch Ground Cable w/ Crimped Connector

1

8" Zip Ties 8

Cable Clip

2

Assembled LIT KIT BIG MOUTH 1

Driver Side Hole Location

Remove the stock shroud to allow for installation of the Big Mouth.

Hold on to the pop-up retainer clips that retain the shroud. An

OEM retainer clip will be used later to install the Big Mouth.

Remove Stock Components

Remove the indicated air intake assembly by undoing the indicated bolts

and plastic push clip.

Remove Stock Components

Loosen (no need to remove) the indicated bolts just enough to allow the section

of frame to flex (left). Position the Big Mouth such that the round protrusion

lines up with the hole in the section of frame (right).

Big Mouth Installation

Use the supplied M6 x 40mm cap screw and OEM retainer push clip to fasten the Big

Mouth at the shown locations. DO NOT OVERTORQUE.

Big Mouth Installation

Use the supplied #8 screw and fender washer to fasten the Big Mouth from the top.

DO NOT OVERTORQUE.

Big Mouth Installation

Once the Big Mouth has been fastened through all 3 points, re-attach the section of

frame and stock air intake components that were removed/loosened prior to install.

The Big Mouth should feel sturdy and free of any interference.

Attach the supplied cable clip to your BIG MOUTH as shown. Fasten the cable and provide

enough slack to not strain the cable.

Install the LIT BIG MOUTH Flare

SKIP THIS SLIDE IF YOU PURCHASED A FULL LIT KIT

Attach the 3M cable clip here

If you purchased a LIT flare-only and

already have a Gen 4 BIG MOUTH.

Remove old flare and install the LIT

flare with the 4 screws as shown.

Wiring Harness

Crimped connectors

Power terminal (+) In-line fuse

Toggle switch

Ground terminal (-)

Switch ground wire

Crimped connector

Power connector

Positive wire (+)

Ground wire (-)

Wiring Harness Schematic

Ground (-)

Switch (leave on)

Fuse

12V Power

Terminal (+)

Crimped connector to

switch terminal (+)

Gold terminal can be grounded using the

wire shown below to allow switch LED to

light up when in use.

Crimped connector to

switch terminal (A)

Power connector

There is an extra black wire in your kit, you

can use it to ground the switch gold terminal

if preferred, however not mandatory.

Route the LED strip cable through the indicated opening.

Big Mouth Wiring

Undo the indicated bolt to fasten both black ground wires to the

ground location shown below.

Big Mouth Wiring

Controller Location

Clean the surface with a dry cloth and use the provided double-sided tape to adhere the

Diode Dynamics controller to the shown location. Connect the LED strip to one of the

controller ports (line up the arrows on the connectors!). The other 3 ports can accept

any Diode Dynamics lighting strip for underglow or underhood lighting (sold separately).

Adhere the controller

to this flat surface

Big Mouth Wiring

Connect the grey pigtail connector to the controller. Route the red wire from the pigtail

connector around the fuse box and towards the battery as shown. Bundle most of the red

wire together using one of the supplied zip ties while reserving ~6” of wire for the next

connection.

Big Mouth Wiring

Follow the wiring harness schematic (slide 12) to properly hook up the

switch. Bundle the excess wire as shown and reserve ~12” of red wire for the

next connection.

Big Mouth Wiring

Secure the switch to the wire loom using one of the supplied zip ties and

conceal the bundles of wire in the crevice shown below. Be careful not to

subject any wires or connectors to strain.

Exercise strain relief!

Hide bundles of wire

Zip tie

Use the car battery to supply power to the Lit Kit. Undo the nut located on the

positive terminal of the battery and fasten the power cable to it as shown. Take

care to avoid damaging the wire when reinstalling the terminal cover.

Use any leftover zip ties and cable clips to organize and conceal any excess wire.

Conceal and organize

the excess wire

Big Mouth Wiring

Fasten to power terminal Do not crush wire with cover

Download the Diode Dynamics app and connect via Bluetooth.

Phone App

How to connect to the app:

1. After installing the app from the app store, open the app on

your device.

2. Cycle the power to the Bluetooth controller by unplugging it

and plugging it back in or flick the power switch and wait a

few seconds, then turn it back on.

3. Wait for the app to detect the controller, it will pop up on

the app screen as a Bluetooth controller. If necessary, cycle

the power once more to refresh the controller.

4. Once the controller shows up on the app, click it and

connect. You have 30 seconds to select the controller once it

shows up on the app. After 30 second you will need to

refresh again to detect the controller again.

5. Note that if you mounted your controller behind a lot of

metal components, this may degrade the signal and range.

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VELOSSA TECH 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel Installation guide

Brand: VELOSSA TECH

Model: 2022+ Honda Civic Si-Sport Big Mouth Lit Kit Ram Air Intake Snorkel

Type: Installation guide

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